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authorHauke Mehrtens <hauke@hauke-m.de>2019-05-06 00:25:09 +0200
committerDavid S. Miller <davem@davemloft.net>2019-05-07 10:34:45 -0700
commit4581348199ca189b1943a7c5fc3950003310fa37 (patch)
tree9ccc05d6eb8ce54019a31d6766bf9c426654ebd1 /drivers/net/dsa
parent9bbb1c053bdcfba075ffb703c4b865297c3fee02 (diff)
downloadlinux-4581348199ca189b1943a7c5fc3950003310fa37.tar.gz
net: dsa: lantiq: Add fast age function
Fast aging per port is not supported directly by the hardware, it is only possible to configure a global aging time. Do the fast aging by iterating over the MAC forwarding table and remove all dynamic entries for a given port. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa')
-rw-r--r--drivers/net/dsa/lantiq_gswip.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c
index c62d923377e3..80afd3b9fd80 100644
--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -213,6 +213,8 @@
#define GSWIP_TABLE_ACTIVE_VLAN 0x01
#define GSWIP_TABLE_VLAN_MAPPING 0x02
+#define GSWIP_TABLE_MAC_BRIDGE 0x0b
+#define GSWIP_TABLE_MAC_BRIDGE_STATIC 0x01 /* Static not, aging entry */
#define XRX200_GPHY_FW_ALIGN (16 * 1024)
@@ -1220,6 +1222,43 @@ static int gswip_port_vlan_del(struct dsa_switch *ds, int port,
return 0;
}
+static void gswip_port_fast_age(struct dsa_switch *ds, int port)
+{
+ struct gswip_priv *priv = ds->priv;
+ struct gswip_pce_table_entry mac_bridge = {0,};
+ int i;
+ int err;
+
+ for (i = 0; i < 2048; i++) {
+ mac_bridge.table = GSWIP_TABLE_MAC_BRIDGE;
+ mac_bridge.index = i;
+
+ err = gswip_pce_table_entry_read(priv, &mac_bridge);
+ if (err) {
+ dev_err(priv->dev, "failed to read mac brigde: %d\n",
+ err);
+ return;
+ }
+
+ if (!mac_bridge.valid)
+ continue;
+
+ if (mac_bridge.val[1] & GSWIP_TABLE_MAC_BRIDGE_STATIC)
+ continue;
+
+ if (((mac_bridge.val[0] & GENMASK(7, 4)) >> 4) != port)
+ continue;
+
+ mac_bridge.valid = false;
+ err = gswip_pce_table_entry_write(priv, &mac_bridge);
+ if (err) {
+ dev_err(priv->dev, "failed to write mac brigde: %d\n",
+ err);
+ return;
+ }
+ }
+}
+
static void gswip_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
{
struct gswip_priv *priv = ds->priv;
@@ -1460,6 +1499,7 @@ static const struct dsa_switch_ops gswip_switch_ops = {
.port_disable = gswip_port_disable,
.port_bridge_join = gswip_port_bridge_join,
.port_bridge_leave = gswip_port_bridge_leave,
+ .port_fast_age = gswip_port_fast_age,
.port_vlan_filtering = gswip_port_vlan_filtering,
.port_vlan_prepare = gswip_port_vlan_prepare,
.port_vlan_add = gswip_port_vlan_add,